Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
The SP mill dynamics model rigid and flexibility with clearance was built using finite element and impact theory.
利用有限元和冲击理论建立了SP压力调宽机含间隙的刚体和弹性体的动力学模型。
The finite element formulation of this theory is deduced with TL method.
采用TL方法给出了有限变形完整理论的曲壳单元列式。
应用推荐